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20x20x4 (19 3/4 x 19 3/4 x 4 3/16) Filtrete Allergen Reduction Filter by 3M™
Filtrete 1550 Allergen Reduction Filter
Designed for Honeywell® 20x20 air cleaners.
- 1550 Performance Rating
- Designed for housings that accommodate 4 inch nominal size filters.
- Captures 97% of large airborne allergens, such as pollen, mold spores and dust mite debris.
- Robust frame construction enhances quality and ensures high durability at the shelf.
- Lasts up to 12 months.
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